VD277
The EPTA® VD277 fail to open (FTO) pressure regulating valve is a model designed for and in distribution networks. The operating principle is based on the pressure difference on the diaphragm provided by the regulation. It has an external regulation pilot, an external variable restrictor and a filter F250. All the elements are provided installed and interconnected.
- Descripción
Descripción
| FEATURES | |
| TYPE | Regulating fail open (FTO); (FA); (FO) |
| Models | VD277 (for special models ask the sales department) |
| Variants | VD277S ; VD277S/AR; VD277A (On demand) |
| Diameter of Valves | Ø1″ to Ø6″ (Ø8” ask the sales department) |
| Type of Connections | Thread: NPT female up to Ø 2″, standard ASME B16.11
Flange: #150 RF, # 300 RF, # 600 RF, standard ASME B16.5 |
| Maximum Inlet Pressure | 100 Kg/cm² |
| Reduced Pressure Range | From 0,02 Kg/cm² to 50 Kg/cm² for VD277.
From 1 Kg/cm² to 50 Kg/cm² for VD277H; for reduced pressures over 51Kg/cm² ask the manufacturer |
| Pressure Relief Range | From 2 Kg/cm² to 15 Kg/cm², for VD277A |
| Control Characteristics | On demand |
| Operation | With Pilot P68S/2 |
| Type of Body | Globe |
| Material of the Body | Molten Steel ASTM A216-WCC (special materials on demand) |
| Watertightness | Class VI standard FCI 70-2 |
| Optional | Pre- Reducer |
